Its only undisputedly documented ('Greek') bishop, Zoilus, participated in a council of Alexandria convoked by Patriarch Atanasius in 362
A Coptic bishop named Jacob allegedly occupied the see according to Klaas A. Worp.
The diocese was nominally restored in 1933 as Latin Titular bishopric of Andropolis (Latin) / Andropoli (Curiate Italian) / Andropolitan(us) (Latin adjective).
It has had the following incumbents, so far of the fitting Episcopal (lowest) rank :
Henri Joseph Marius Piérard, Assumptionists (A.A.) (born Belgium) (1938.02.09 – 1959.11.10) as Apostolic Vicar of Beni in Belgian Congo (Congo-Kinshasa) (1938.02.09 – 1959.11.10); previously only Ecclesiastical Superior of Mission sui iuris of Beni in Belgian Congo (Congo-Kinshasa) (1934 – (see) promoted 1938.02.09); later 'first' Bishop of (promoted see) Beni in Congo (Congo-Kinshasa) (1959.11.10 – 1960.07.07), (see) restyled Bishop of Beni (now Butembo-Beni) (1960.07.07 – retired 1966.05.17), emeritate as Titular Bishop of Molicunza (1966.05.17 – retired 1973.04.27), died 1975
Thomas Francis Maloney (1960.01.02 – death 1962.09.10) as Auxiliary Bishop of Diocese of Providence (Rhode Island, USA) (1960.01.02 – 1962.09.10)
Enrique Bolaños Quesada (1962.12.06 – 1970.03.06) as Auxiliary Bishop of Diocese of Alajuela (Costa Rica) (1962.12.06 – 1970.03.06), also Secretary General of Episcopal Conference of Costa Rica (1963 – 1970); next succeeded as Bishop of Alajuela (1970.03.06 – retired 1980.12.13), died 1992